| 新疆某矿区1 200 m深孔施工关键技术 |
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| 引用本文： | 秦品光.新疆某矿区1 200 m深孔施工关键技术[J].煤田地质与勘探,2017,45(3):170-174. |
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| 作者姓名： | 秦品光 |
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| 摘 要： | 深孔钻探对目前深部找矿有重要意义。针对新疆某矿区含煤地层的特殊地质条件，选择胎体硬度HRC25~HRC36金刚石齿轮钻头及金刚石梯齿钻头，适宜的钻进参数，使用植物胶无固相泥浆及低固相泥浆进行钻孔护壁等措施，保证了1 200 m深孔的绳索取心金刚石钻进，并取得很好的实际施工经验。同时，重视卡簧的测量选取及安装，加强相关设备的日常安全管理工作，防止因管理原因而引发的孔内事故发生。
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| 关 键 词： | 绳索取心 1 200 m深孔 钻进参数 冲洗液 技术套管 |
| 收稿时间： | 2016-07-12 |
Key technology of drilling the borehole of 1 200 m deep in a coal mine in Xinjiang |
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| Abstract: | Deep hole drilling is of great significance for deep prospecting. According to the special geological conditions of coal measures strata in a mining area of Xinjiang, roller diamond bit with the matrix of hardness HRC25~HRC36, diamond bit, suitable drilling parameters were chosen, solid phase-free gelatin mud and mud with low solid phase were used to protect borehole, 1 200 m deep hole drilling with wire line coring was ensured, good practical drilling experience was obtained. At the same time, attention was paid to selection and installation of core-catcher spring, the daily safety management of drilling machine and tools was enhanced to prevent downhole troubles induced by improper management. |
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